Clean HVAC Systems Prevent Virus Outbreaks on Cruise Ships
Outbreaks of viral infections on cruise ships have been appearing frequently in the headlines this year.
In the first week of February 2012, approximately 500 cases of norovirus reportedly occurred on two Princess Cruise ships, according to CNN. Both ships are based in Florida. On the Ruby Princess had 92 passengers and 13 members became ill with the virus. The Crown Princess ship reported that 364 passengers and 30 crew members came down with the virus.
In the same week as the Florida cases about 200 passengers on a ship departing from New Orleans became ill with norovirus, according to the Associated Press. The Royal Caribbean ship Voyager of the Seas was forced to depart late due to the illnesses. In May the cruise ship Boudicca reported 170 norovirus illnesses, causing the passengers to be quarantined. The ship, owned by Fred Olsen, experienced similar outbreaks in 2010. A spokeswoman for the company confirmed the passengers had a virus that caused gastroenteritis symptoms, according to the UK’s Mail Online.
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Ship Maintenance: Descaling is Critical for Effective Heat Transfer
Water scale on any heat transfer surface reduces the effectiveness of that heat transfer. In turn, this results in reduced equipment efficiency while increasing energy consumption, increasing costs and even increasing plant operational downtime. Often this “buildup” problem is either ignored or relegated to “fixing it at the last minute or upon mechanical failure” status because of downtime costs. This is historically based on the premise that descaling takes a great deal of time.
As a marine engineer, this brings focus to one very important concern – every cruise and merchant ship must be self-sustaining as far as the production of fresh water is concerned.
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